Renault Clio: F4R

Renault Clio III (2005-2013) Service Manual / Electrical Equipment / Wiring Harness / Engine wiring: Removal - Refitting / F4R

IMPORTANT

Consult the safety and cleanliness advice and operation recommendations before carrying out any repair (see 88A, Wiring harness, Wiring: Precautions for the repair, 88A-5).

WARNING

To prevent damage to the wiring harness when refitting, observe the original routing.

REMOVAL

I - REMOVAL PREPARATION OPERATION

• Position the vehicle on a two-post lift (see Vehicle: Towing and lifting) (MR 392, 02A, Lifting equipment).
• Switch off the ignition.
• Remove:
  • the engine cover,
  • the battery (see 80A, Battery, Battery: Removal - Refitting, 80A-1),
  • the air filter box (see Air filter unit: Removal - Refitting) (MR 392, 12A, Fuel mixture),
  • the battery tray (see 80A, Battery, Battery tray: Removal - Refitting, 80A-5),
  • the front section of the front wheel arch liners (see Front wheel arch liner: Removal - Refitting) (MR 393, 55A, Exterior protection),
  • the front bumper (see Front bumper: Removal - Refitting) (MR 393, 55A, Exterior protection).

• Remove:
  • the bolts (1) from the Protection and Switching Unit cover,
  • the Protection and Switching Unit cover.

II - OPERATION FOR REMOVAL OF PART CONCERNED

WARNING

To prevent any risk of noise, premature wear, short circuits, etc. after the refitting operation, mark the wiring routing and how to connect the connectors.

• Disconnect:
  • the air conditioning compressor connector (2),
  • the alternator exciter connector (3).
• Remove the nut (4) from the positive terminal of the starter.
• Disconnect:
  • the inlet air pressure sensor connector (5),
  • the camshaft dephaser solenoid valve connector (6),
  • the fuel vapour absorber solenoid valve connector (7),
  • the connector (8) from the oil pressure sensor,
  • the oil level sensor connector (9),
  • the pinking sensor connector (10),
  • the connector (11) from the air temperature sensor,
  • the engine wiring/injection wiring connection (12),
  • the crankshaft position sensor connector (13),
  • the throttle valve connector (14),
  • the coolant temperature sensor connector (15),
  • the connector (16) from the reverse gear switch,
  • the upstream oxygen sensor connector (17).
  • the dual-mode solenoid valve connector (18),
  • the downstream oxygen sensor connector (31).
• Remove:
  • the gearbox earth cable bolt (19),
  • the nut on the excitation terminal of the starter (20),
  • the nut on the positive terminal of the starter (21).

• Remove the air resonator (see Air resonator: Removal - Refitting) (MR 392, 12A, Fuel mixture).
• Disconnect:
  • the fuel injection computer connectors (22),
  • the engine cooling fan assembly connector (23),
  • the engine cooling fan assembly resistor connector (24),
  • the refrigerant pressure sensor connector (25),
  • the Protection and Switching Unit connectors (26),
  • the front left-hand wiring connector (32).
• Remove:
  • the engine cooling fan assembly earth wiring nut (27) on the front left-hand side member,
  • the 30 A fuse from the power feed fuse board,
  • the fuse holder (28),
  • the nut (29) from the power feed fuse board cable,
  • the fuel injection computer earth wiring nut (30).

WARNING

To prevent any damage during the removal operation, check that the wiring is free from its mountings (retaining clip, plastic clip, adhesive tape, connector, etc.).

• Unclip:
  • the sub-frame and cylinder block wiring,
  • the engine cooling fan assembly wiring,
  • the cylinder head wiring.
• Remove the engine wiring.

REFITTING

I - REFITTING PREPARATION OPERATION

• If replacing with more wiring, lock the unused connectors (see Connectors: Sealing and immobilisation) (Technical Note 6015A, 88A, Wiring).

II - REFITTING OPERATION FOR PART CONCERNED

• Refit:
  • the engine wiring,
  • the fuel injection computer earth wiring nut.
• Torque tighten the fuel injection computer earth wiring nut (8 Nm).
• Refit the nut from the power feed fuse board cable.
• Torque tighten the nut from the power feed fuse board cable (6 Nm).
• Refit:
  • the fuse holder,
  • the 30 A fuse from the power feed fuse board,
  • the engine cooling fan assembly earth wiring nut on the front left-hand side member.
• Torque tighten the engine cooling fan assembly earth cable nut on the front left-hand side member (8 Nm).
• Connect:
  • the Protection and Switching Unit connectors,
  • the front left-hand wiring connector,
  • the refrigerant pressure sensor connector,
  • the engine cooling fan assembly resistor connector,
  • the engine cooling fan assembly connector,
  • the petrol injection computer connectors.
• Refit:
  • the air resonator (see Air resonator: Removal - Refitting) (MR 392, 12A, Fuel mixture),
  • the nut on the excitation terminal of the starter,
  • the nut on the positive terminal of the starter.
• Tighten to torque:
  • the nut on the excitation terminal of the starter (5 Nm).
  • the nut on the positive terminal of the starter (8 Nm),
• Refit the earth wiring bolt on the gearbox.
• Torque tighten the earth wiring bolt on the gearbox (24 Nm).
• Connect:
  • the downstream oxygen sensor connector,
  • the dual-mode solenoid valve connector,
  • the upstream oxygen sensor connector,
  • the reverse gear switch connector,
  • the coolant temperature sensor connector,
  • the throttle valve connector,
  • the crankshaft position sensor connector,
  • the engine wiring/injection wiring connection,
  • the air temperature sensor connector,
  • the pinking sensor connector,
  • the oil level sensor connector,
  • the oil pressure sensor connector,
  • the fuel vapour absorber solenoid valve connector,
  • the camshaft dephaser solenoid valve connector,
  • the air inlet pressure sensor connector.
• Refit the alternator positive terminal nut.
• Torque tighten the nut for the positive terminal of the alternator (21 Nm).
• Connect:
  • the alternator exciter connector,
  • the air conditioning compressor connector.
• Clip:
  • the wiring on the sub-frame and the cylinder block,
  • the wiring on the engine cooling fan assembly,
  • the wiring on the cylinder head.

III - FINAL OPERATION.

• Refit:
  • the Protection and Switching Unit cover,
  • the bolts on the Protection and Switching Unit cover.
• Tighten the bolts on the Protection and Switching Unit cover.
• Refit:
  • the front bumper (see Front bumper: Removal - Refitting) (MR 393, 55A, Exterior protection),
  • the front section of the front wheel arch liners (see Front wheel arch liner: Removal - Refitting) (MR 393, 55A, Exterior protection),
  • the battery tray (see 80A, Battery, Battery tray: Removal - Refitting, 80A-5),
  • the air filter box (see Air filter unit: Removal - Refitting) (MR 392, 12A, Fuel mixture),
  • the battery (see 80A, Battery, Battery: Removal - Refitting, 80A-1),
  • the engine cover.

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